Headphone amp

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Tube Lamp, Radio Design, Headphone Amp, Headphone Amplifiers, Integrated Amplifier, Jukeboxes, Amazon Devices, Hifi Audio, Vacuum Tube

xDuoo has released a new integrated amplifier/DAC with a headphone socket. The TA-30 includes ESS’s EQ9038Q2M chip and a headphone section producing 3000mW at 32 Ohms As you can see, valves are prevalent on the TA-30. That large valve is an Adopt 5Z3P plus two Adopt ECC82 valves. Also present in the TA-30 chassis is...

A Battery-Powered Class A Headphone Amp | audioXpress Diy Headphones, Digital Audio Workstation, Electronic Circuit Design, Headphone Amp, Electronic Circuit Projects, Headphone Amplifiers, Electronic Circuit, Circuit Projects, Audio Amplifier

This project is based on Erno Borbely’s EB-602/210 single-ended pure Class A amplifier and is capable of driving headphones between 32 and 600Ω. It consists of two identical but separate amps laid out on the same PCB. The schematic is the same as Erno’s extremely popular hybrid tube/MOSFET line amp, published in Glass Audio 1/98. However, the dual triode at the input is replaced by a dual JFET (SK389). This article was originally published in audioXpress, July 2004.

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